... injecting 3 lL of variable amounts of venom and/ or fractions at the intersegments of the right leg.Phaiodotoxin in amounts of 0.2, 0.5, 0.8 and 1.0 lgofpeptide per animal were injected, using ... additionalputative isoforms of phaiodotoxin were cloned and sequenced. The first line labelled PhTx contain s the amino a cid sequence of phaiodotoxin, thesecond and third lines show two isoforms: PhTx2, and ... Accordingly, they are dividedinto classical a-toxins that are highly active in mammalianbrain, a-toxins that are very active in insects and a-liketoxins that are active in both the mammalian and...